history of cryptocurrency, Knowledge

1. European and American casesSummary: Learning from the successful experience of Europe, America, Japan and South Korea and controlling the class size of primary and secondary schools and college students to 15 students has many positive strategic significance for improving the quality of teaching and training, and cultivating more all-round high-quality talents.When the class size is controlled at 15 students, teachers can know more about each student's learning situation. Teachers can provide targeted counseling for each student's weak points of knowledge. For example, in mathematics teaching, teachers may only explain the knowledge points in a large class, but in a class of 15 students, teachers can find each student's problems in algebra, geometry and other different sectors, so as to explain the problem-solving ideas in a personalized way.

Drawing lessons from Europe, America, Japan and South Korea: Controlling the class size of primary and secondary schools and universities to 15 students to improve the quality of teaching and training.2. The change of social concept and educational concept

1. Challenges and countermeasures of educational resources(All text materials are automatically generated by ai intelligence)2. The change of social concept and educational concept